<%@ page language="java"  pageEncoding="utf-8"%>

<html>
  <head>
        
    <title>My JSP 'index.jsp' starting page---login.jsp</title>
  </head>
  
  <body>
   
   <form action="aaa.do" method="post">
   用户名<input type="text" id="username" name="username"><br>
   
   密     码<input type="text" id="password" name="password"><br>
   
   <input type="hidden" id="sign" name="sign" value="mvc.form.loginform">
   <input type="submit" value="登录">
   
   </form>
   
  </body>
</html>
